You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
259 lines
8.0 KiB
259 lines
8.0 KiB
<?php /* <!-- md_link.php for Dokeos metadata/*.php -->
|
|
<!-- 2006/12/15 -->
|
|
|
|
<!-- Copyright (C) 2006 rene.haentjens@UGent.be - see metadata/md_funcs.php -->
|
|
|
|
*/
|
|
|
|
/**
|
|
==============================================================================
|
|
* Dokeos Metadata: class mdobject for Link-type objects
|
|
*
|
|
* @package dokeos.metadata
|
|
==============================================================================
|
|
*/
|
|
|
|
class mdobject
|
|
{
|
|
|
|
var $mdo_course;
|
|
var $mdo_type;
|
|
var $mdo_id;
|
|
var $mdo_eid;
|
|
|
|
var $mdo_dcmap_e;
|
|
var $mdo_dcmap_v;
|
|
|
|
var $mdo_url;
|
|
var $mdo_title;
|
|
var $mdo_description;
|
|
var $mdo_category;
|
|
var $mdo_category_title;
|
|
|
|
function mdo_define_htt() { return new xhtdoc(<<<EOD
|
|
|
|
<!-- {-INDEXABLETEXT-} -->
|
|
|
|
Title: {-V metadata/lom/general/title/string-} txt-sep
|
|
Keyword(s): {-R metadata/lom/general/keyword C KWTEXT-} txt-sep
|
|
Category: {-V metadata/lom/general/coverage/string-} txt-sep
|
|
{-V metadata/lom/general/description[1]/string-} txt-end
|
|
link-type
|
|
|
|
|
|
<!-- {-KWTEXT-} -->
|
|
|
|
{-V string-}-kw
|
|
|
|
|
|
<!-- {--} -->
|
|
EOD
|
|
);
|
|
}
|
|
|
|
function mdo_generate_default_xml_metadata()
|
|
{
|
|
global $iso639_2_code, $ieee_xml;
|
|
|
|
$xhtDoc = new xhtdoc($ieee_xml); $_user = api_get_user_info();
|
|
|
|
if ($xhtDoc->htt_error)
|
|
give_up('IEEE XML (metadata/md_funcs): ' . $xhtDoc->htt_error);
|
|
|
|
$xhtDoc->xht_get_lang = 'get_lang'; $xhtDoc->xht_xmldoc = new xmddoc('');
|
|
if ($xhtDoc->xht_xmldoc->error) give_up($xhtDoc->xht_xmldoc->error);
|
|
|
|
$xhtDoc->xht_param['siteUri'] = make_uri();
|
|
|
|
$xhtDoc->xht_param['entry'] = $this->mdo_course['sysCode'] .
|
|
'.Link.' . $this->mdo_id; // 2005-05-30: path->sysCode
|
|
|
|
$xhtDoc->xht_param['location'] = $this->mdo_url . '';
|
|
|
|
$xhtDoc->xht_param['mdlang'] = strtolower($iso639_2_code);
|
|
$xhtDoc->xht_param['lang'] = strtolower($iso639_2_code);
|
|
|
|
$xhtDoc->xht_param['title'] =
|
|
$this->mdo_title ? $this->mdo_title : get_lang('MdTitle');
|
|
|
|
if (($d = $this->mdo_description))
|
|
{
|
|
if ($keywords = $this->_find_keywords($d)) $d = array_pop($keywords);
|
|
$xhtDoc->xht_param['description'] = $d;
|
|
}
|
|
else
|
|
$xhtDoc->xht_param['description'] = get_lang('MdDescription');
|
|
|
|
$xhtDoc->xht_param['coverage'] = $this->mdo_category_title ?
|
|
$this->mdo_category_title : get_lang('MdCoverage');
|
|
|
|
if (isset($_user))
|
|
{
|
|
$xhtDoc->xht_param['author'] = "BEGIN:VCARD\\nFN:" .
|
|
$_user['firstName']." ".$_user['lastName'] .
|
|
"\\nEMAIL:".$_user['mail'] . "\\nEND:VCARD\\n";
|
|
}
|
|
|
|
$xhtDoc->xht_param['dateTime'] = date('Y-m-d');
|
|
|
|
$xhtDoc->xht_param['format'] = ''; $xhtDoc->xht_param['size'] = '0';
|
|
|
|
if (count($keywords))
|
|
{
|
|
$xd = new xmddoc(explode("\n",
|
|
$mdt = $xhtDoc->xht_fill_template('XML')));
|
|
if ($xd->error) return $mdt; // and worry later
|
|
|
|
$this->_add_keywords($xd, $keywords);
|
|
|
|
return $xd->xmd_xml();
|
|
}
|
|
|
|
return $xhtDoc->xht_fill_template('XML');
|
|
}
|
|
|
|
|
|
function mdo_override(&$xmlDoc) // by ref!
|
|
{
|
|
if ($this->mdo_url)
|
|
{
|
|
$xmlDoc->xmd_update('metadata/lom/technical/location', $this->mdo_url);
|
|
|
|
$ge = $xmlDoc->xmd_select_single_element("metadata/lom/general");
|
|
|
|
$xmlDoc->xmd_update('title[1]/string', $this->mdo_title, $ge);
|
|
$xmlDoc->xmd_update('coverage[1]/string', $this->mdo_category_title, $ge);
|
|
|
|
if (($d = $this->mdo_description))
|
|
if ($keywords = $this->_find_keywords($d)) $d = array_pop($keywords);
|
|
|
|
$xmlDoc->xmd_update('description[1]/string', $d, $ge);
|
|
|
|
$xmlDoc->xmd_remove_nodes($xmlDoc->xmd_select_elements('keyword', $ge), $ge);
|
|
|
|
if (count($keywords)) $this->_add_keywords($xmlDoc, $keywords);
|
|
}
|
|
|
|
return $xmlDoc->xmd_xml();
|
|
}
|
|
|
|
|
|
function mdo_storeback(&$xmlDoc) // by ref!
|
|
{
|
|
if (!$this->mdo_url) return; // no record in link table, most probably
|
|
|
|
if (!($v = $xmlDoc->xmd_value('metadata/lom/technical/location'))) return;
|
|
|
|
if ($v != $this->mdo_url)
|
|
{ $this->mdo_url = $v; $u .= ", url = '" . addslashes($v) . "'"; }
|
|
|
|
$ge = $xmlDoc->xmd_select_single_element("metadata/lom/general");
|
|
|
|
$v = $xmlDoc->xmd_value('title[1]/string', $ge);
|
|
if ($v != $this->mdo_title)
|
|
{ $this->mdo_title = $v; $u .= ", title = '" . addslashes($v) . "'"; }
|
|
|
|
$vd = $xmlDoc->xmd_value('description[1]/string', $ge);
|
|
$vk = $xmlDoc->xmd_value('keyword/string', $ge, array('in' => ', '));
|
|
$v = $vk ? '<i kw="' . htmlspecialchars($vk) . '">' .
|
|
ereg_replace('\[((/?(b|big|i|small|sub|sup|u))|br/)\]', '<\\1>',
|
|
htmlspecialchars($vd)) . '</i>' : $vd;
|
|
|
|
if ($v != $this->mdo_description)
|
|
{
|
|
$this->mdo_description = $v;
|
|
$u .= ", description = '" . addslashes($v) . "'";
|
|
}
|
|
|
|
// do not store back a modified coverage as category...
|
|
|
|
$link_table = Database::get_course_table(TABLE_LINK);
|
|
if ($u) api_sql_query("UPDATE $link_table SET " . substr($u, 2) .
|
|
" WHERE id='" . addslashes($this->mdo_id) . "'", __FILE__, __LINE__);
|
|
}
|
|
|
|
|
|
function mdo_add_breadcrump_nav()
|
|
{
|
|
global $interbreadcrumb;
|
|
|
|
$regs = array(); // for use with ereg()
|
|
|
|
$docurl = api_get_self(); // should be .../main/xxx/yyy.php
|
|
if (ereg('^(.+[^/\.]+)/[^/\.]+/[^/\.]+.[^/\.]+$', $docurl, $regs))
|
|
$docurl = $regs[1] . '/link/link.php';
|
|
|
|
$interbreadcrumb[]= array ('url' => $docurl,
|
|
"name"=> get_lang('MdCallingTool'));
|
|
}
|
|
|
|
|
|
function mdobject($_course, $id)
|
|
{
|
|
global $ieee_dcmap_e, $ieee_dcmap_v; // md_funcs
|
|
|
|
$this->mdo_course = $_course; $this->mdo_type = 'Link';
|
|
$this->mdo_id = $id; $this->mdo_eid = $this->mdo_type . '.' . $id;
|
|
|
|
$this->mdo_dcmap_e = $ieee_dcmap_e; $this->mdo_dcmap_v = $ieee_dcmap_v;
|
|
|
|
$link_table = Database::get_course_table(TABLE_LINK);
|
|
if (($linkinfo = @mysql_fetch_array(api_sql_query(
|
|
"SELECT url,title,description,category_id FROM $link_table WHERE id='" .
|
|
addslashes($id) . "'", __FILE__, __LINE__))))
|
|
{
|
|
$this->mdo_url = $linkinfo['url'];
|
|
$this->mdo_title = $linkinfo['title'];
|
|
$this->mdo_description = $linkinfo['description'];
|
|
$this->mdo_category = ($lci = $linkinfo['category_id']);
|
|
|
|
$linkcat_table = Database::get_course_table(TABLE_LINK_CATEGORY);
|
|
if (($catinfo = @mysql_fetch_array(api_sql_query(
|
|
"SELECT category_title FROM $linkcat_table WHERE id='" .
|
|
addslashes($lci) . "'", __FILE__, __LINE__))))
|
|
$this->mdo_category_title = $catinfo['category_title'];
|
|
}
|
|
}
|
|
|
|
|
|
function _find_keywords($d)
|
|
{
|
|
$dd = new xmddoc($d); if ($dd->error) return NULL;
|
|
|
|
$regs = array(); // for use with ereg()
|
|
|
|
foreach ($dd->attributes[0] as $name => $value)
|
|
if ($name == 'kw' && ereg('^<?([^>]+)>?$', $value, $regs))
|
|
{
|
|
$kwa = array_map('trim', explode(',', $regs[1]));
|
|
|
|
if (ereg('^<' . ($tag = $dd->name[0]) . '[^>]*>(.*)</'.$tag.'>$',
|
|
$d, $regs)) // e.g. <i kw="...">A & <b>B</b>!</i>
|
|
{
|
|
$htdc = array_flip(get_html_translation_table(HTML_ENTITIES));
|
|
$d = strtr(ereg_replace( // first <b> -> [b] etc.
|
|
'<((/?(b|big|i|small|sub|sup|u))|br/)>', '[\\1]',
|
|
($regs[1])), $htdc); // then & -> & etc.
|
|
$d = strtr(str_replace("\r\n", " ", $d), "\r\n", " ");
|
|
}
|
|
else $d = $dd->xmd_text();
|
|
|
|
array_push($kwa, $d); return $kwa;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
function _add_keywords(&$xmlDoc, $keywords) // by ref!
|
|
{
|
|
$ge = $xmlDoc->xmd_select_single_element("metadata/lom/general");
|
|
$dl = array("language" =>
|
|
$xmlDoc->xmd_value("description/string/@language", $ge));
|
|
|
|
foreach ($keywords as $kw)
|
|
$xmlDoc->xmd_add_text_element("string", $kw,
|
|
$xmlDoc->xmd_add_element("keyword", $ge), $dl);
|
|
}
|
|
|
|
}
|
|
?>
|
|
|